ancestors

28 篇文章
Our ancestors discovered how to ensure a stable food supply.
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Our ancestors discovered how to ensure a stable food supply. 我们的祖先发现了 确保食物稳定供应的方法

stable ancestors ensure discovered supply how food to our a
enabled our ancestors
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enabled our ancestors 使我们的祖先

ancestors enabled our
Their elephant-like ancestors
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Their elephant-like ancestors 它们与大象相似的祖先

elephant-like ancestors their
two-and-a-half-meter-long ancestors of the whales.
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two-and-a-half-meter-long ancestors of the whales. 身长2.5米 是鲸的祖先

two-and-a-half-meter-long ancestors whales of the
But just as their ancestors were beginning to make progress,
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But just as their ancestors were beginning to make progress, 但正当它们的祖先开始取得进展时

ancestors progress make just their beginning as to but were
allowed their primate ancestors to survive in the forest of 50 million years ago.
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allowed their primate ancestors to survive in the forest of 50 million years ago. 使它们的灵长类祖先 能够在5000万年前的森林中存活下来

allowed ancestors primate survive forest million their of in the to ago years
Like their ancestors,
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Like their ancestors, 与它们的祖先一样

ancestors like their
Over tens of millions of years, its ancestors repurposed their wings,
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Over tens of millions of years, its ancestors repurposed their wings, 经过数千万年 它们的祖先改变了翅膀的用途

repurposed ancestors tens wings millions their of its over years
They lost the arms and legs of their reptilian ancestors
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They lost the arms and legs of their reptilian ancestors 它们失去了爬行动物祖先的四肢

reptilian ancestors arms legs lost their they of the and
Like some of her prehistoric ancestors,
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Like some of her prehistoric ancestors, 就像它的一些史前祖先一样

ancestors prehistoric like some her of